Minnesota State Highway 51
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|Maintained by Mn/DOT|
|Length:||11.274 mi (18.144 km)|
|Existed:||1933 – present|
|South end:||MN 5 in St. Paul|
| I-94 in St. Paul
MN 36 in Roseville
|North end:||I-694 / US 10 in Arden Hills|
Minnesota State Highway 51 (MN 51) is a highway in Minnesota, which runs from its intersection with State Highway 5 (W. 7th Street) in Saint Paul and continues north to its northern terminus at its interchange with Interstate 694 / U.S. Highway 10 in Arden Hills. The route is 11 miles (18 km) in length.
Highway 51 is also known as Snelling Avenue for most of its route. A small section of the route is known as Montreal Avenue in the "West Seventh" and Highland neighborhoods of Saint Paul, and the northern section in Arden Hills is known as Hamline Avenue.
State Highway 51 serves as a north–south route between Saint Paul, Falcon Heights, Roseville, and Arden Hills in Ramsey County.
It is not to be confused with nearby Ramsey County Road 51 (Lexington Avenue / Parkway), which runs parallel to State Highway 51 and ends at the same southern terminus intersection.
Highway 51 begins at its intersection with State Highway 5 (W. 7th Street) in the "West Seventh" neighborhood of Saint Paul. 51 follows Montreal Avenue for 10 blocks. 51 then leaves Montreal Avenue and turns north on Snelling Avenue. Highway 51 remains on Snelling Avenue for the remainder of its route. It continues through the Highland Park / MacGroveland / Merriam Park areas to its junction with Interstate 94. The route then continues through the Midway neighborhood. After crossing over two railroad lines and entering Falcon Heights, the route passes along the east side of the Minnesota State Fairgrounds, making it a busy thoroughfare during the State Fair season. The route continues north into Roseville and Arden Hills. Most of Highway 51's length through Roseville and Arden Hills is an expressway (divided highway) with signalized intersections. Highway 51 does have an interchange with State Highway 36 in Roseville.
The northern terminus of Highway 51 at I-694 in Arden Hills is also shared with the westbound interchange for U.S. Highway 10; this interchange has lane drops that cause traffic congestion on the I-694 freeway. In response, Mn/DOT is eventually planning to rebuild I-694 through this area, including the interchange with Highways 51 and 10. This reconstruction project began the week of September 19, 2011.
Como Park, Zoo, and Conservatory in Saint Paul is located 7 blocks east of the junction of Highway 51 (Snelling Avenue) and Como Avenue. Eastbound Como Avenue becomes Horton Avenue. The park entrance is on Horton Avenue near Lexington Parkway.
Highway 51 parallels State Highway 280 through Falcon Heights and the Midway neighborhood of Saint Paul.
State Highway 51 was authorized in 1933.
The route was paved by 1935.
The original alignment on the south end of Highway 51 was from West 7th Street up Edgecumbe Road to Snelling Avenue. This section of Highway 51 was later rerouted to Montreal Avenue.
From 1934 to 1935, the north end of Highway 51 previously followed Snelling Avenue northbound to County Road B in Roseville, then 51 turned westbound to Fairview Avenue and ran northbound along Fairview Avenue and New Brighton Road to old U.S. Highway 8 in New Brighton.
By 1935, Snelling Avenue was extended north to the point where Highway 51 now bends to follow Hamline Avenue after crossing the Roseville / Arden Hills boundary line. The northern terminus of the route was at old U.S. Highway 10, which is the present day junction of Snelling Avenue and County Road E in Arden Hills. There was a plan until the 1970s to extend Highway 51 beyond its current northern terminus at I-694 in Arden Hills to proceed north to I-35W near Lexington Avenue in Blaine.
The entire route is in Ramsey County.
|St. Paul||0.000||0.000||MN 5 (West Seventh Street)|
|0.007||0.0113||CR 51 (Lexington Parkway)|
|1.248||2.008||CR 42 (Ford Parkway)|
|1.873||3.014||CR 38 (Randolph Avenue)|
|3.355||5.399||CR 35 (Marshall Avenue)|
|3.546||5.707||I-94 eastbound, via Concordia Avenue|
|3.605||5.802||I-94 westbound, via St. Anthony Avenue|
|3.850||6.196||CR 34 (University Avenue)|
|CR 33 (Pierce Butler Route)||Interchange|
|CR 32 (Energy Park Drive)||Interchange|
|CR 31 east / CR 75 west (Como Avenue)|
|CR 30 (Larpenteur Avenue)|
|CR 25 (County Road B)|
|CR 78 (County Road B2)||Interchange|
|CR 23 (County Road C2)|
|Arden Hills||9.601||15.451||CR 50 (Hamline Avenue)|
|CR 15 (County Road E)||Interchange, Old U.S. 10|
|11.245||18.097||I-694 / US 10 westbound||Interchange. I-694 exit 42A.|
|11.295||18.178||CR 50 north (Hamline Avenue)|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi
- Riner, Steve. "Details of Routes 51-75". The Unofficial Minnesota Highways Page. Retrieved 2006-04-06.
- "Trunk Highway Log Point Listing - Construction District 5" (PDF). Minnesota Department of Transportation. August 20, 2010. Retrieved October 22, 2010.
- Minnesota Department of Transportation (2006). "Expansion I-694 35E to 35W". Retrieved 2006-04-06.